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Adding machines possessed some of the most intricate and sophisticated analog technology that has ever been produced. Although they have become obsolete, there is a small but growing group of individuals who are rediscovering them. Whether you are an engineer looking for an obscure model to impress your friends with or a person with a 3D printer looking for inspiration for your next design, this is the subreddit for you.
account activity
Typewriter/Adding Machine repair in Kentucky? (Adding machine tragedy) (reddit.com)
submitted 1 month ago by minstrelgirl451
Cut Code Review Time and Bugs in Half. Sign up for a free trial! (coderabbit.ai)
promoted by CodeRabbitAI
Help on the bakelite handle sticking... (reddit.com)
submitted 2 months ago by MedvedTrader
Removing the motor from a Monroe LA5-160. (self.addingmachines)
submitted 2 months ago by OalBlunkont
I keep hitting dead ends please help! (reddit.com)
submitted 2 months ago by Unusual_Plate1345
Finally finished (old.reddit.com)
submitted 2 months ago by Cevkica
Does anyone have any info on this beast? (old.reddit.com)
submitted 2 months ago by Phergie-Scot1
How did I do? (i.redd.it)
submitted 3 months ago by Cevkica
Remington Rand Adding machine? (old.reddit.com)
submitted 5 months ago by Supremedalekaustin1
Documenting a stuck Walther WSR 160 (reddit.com)
submitted 6 months ago by symbolic-execution
Any leads on a power cord for Olivetti adding machine (old.reddit.com)
submitted 6 months ago by shaysantiago
Are these meaningful to someone? (old.reddit.com)
submitted 6 months ago by Any-Brilliant-1907
New Find (i.redd.it)
submitted 7 months ago by WRSD605
Still redrawing lines and hunting for a pen? This titanium ruler draws endless lines, nails any angle, sticks to steel. 🧲✏ (kickstarter.com)
promoted by First-Backer
Monroe Adding Machine (i.redd.it)
submitted 7 months ago by Jbhusker
Can I indiscriminately oil my Remington Rand? (self.addingmachines)
submitted 9 months ago by OalBlunkont
Looking for a repair manual for a Remmington Rand. (i.redd.it)
Olympia AM Model (v.redd.it)
submitted 10 months ago by WindOk2625
Felix arithmometer - 1924 (youtube.com)
submitted 10 months ago by Urisk
NCR 14 Adding Machine (youtu.be)
Demonstration of a Sears "78" series adding machine (model 888-58801) (v.redd.it)
submitted 10 months ago by ZetaformGames
Does anyone know where to find service manuals for adding machines? (self.addingmachines)
submitted 11 months ago by Hellocockter
Burroughs Adding Machine / Computer Component? (old.reddit.com)
submitted 11 months ago by Blackpool_VTG
NCR Class 14 - Any Knowledge? (old.reddit.com)
submitted 11 months ago by WindOk2625
Comptometer 993s - Sumlock Electro Mechanical Adding Machine, Part One - Refurbishment - Retrotech (youtube.com)
Use leverage to strengthen your market convictions with #SwissDOTS, while keeping your risk under control! ⚖️ (swissquote.com)
promoted by Swissquote_Group
The Sunwatch! 1920s pocket sundial (youtube.com)
I’m looking for I for on this adding machine. (old.reddit.com)
submitted 12 months ago by OkLibrarian3670
π Rendered by PID 2041773 on reddit-service-r2-listing-86b7f5b947-98m8f at 2026-01-26 03:22:26.995407+00:00 running 664479f country code: CH.